參數(shù)資料
型號(hào): GMS81524BK
廠商: Hynix Semiconductor Inc.
元件分類(lèi): 8位微控制器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁(yè)數(shù): 62/110頁(yè)
文件大?。?/td> 1980K
代理商: GMS81524BK
GMS81508B/16B/24B, GMS82512/16/24
MAY. 2001 Ver 2.0
59
Note:
BUR is undefined after reset, so it must be initialized
to between 1
H
and 3F
H
by software.
Note that BUR is a write-only register.
The 6-bit counter is cleared and starts the counting by writ-
ing signal at BUR register. It is incremental from 00
H
until
it matches 6-bit BUR value.
When main-frequency is 8MHz, buzzer frequency is
shown as below table.
[kHz]
BUR
[5:0]
BUR[7:6]
BUR
[5:0]
BUR[7:6]
00
01
10
11
00
01
10
11
00
01
02
03
04
05
06
07
-
250.000
125.000
83.333
62.500
50.000
41.667
35.714
-
125.000
62.500
41.667
31.250
25.000
20.833
17.857
-
62.500
31.250
20.833
15.625
12.500
10.417
8.929
-
31.250
15.625
10.417
7.813
6.250
5.208
4.464
20
21
22
23
24
25
26
27
7.813
7.576
7.353
7.143
6.944
6.757
6.579
6.410
3.906
3.788
3.676
3.571
3.472
3.378
3.289
3.205
1.953
1.894
1.838
1.786
1.736
1.689
1.645
1.603
0.977
0.947
0.919
0.893
0.868
0.845
0.822
0.801
08
09
0A
0B
0C
0D
0E
0F
31.250
27.778
25.000
22.727
20.833
19.231
17.857
16.667
15.625
13.889
12.500
11.364
10.417
9.615
8.929
8.333
7.813
6.944
6.250
5.682
5.208
4.808
4.464
4.167
3.906
3.472
3.125
2.841
2.604
2.404
2.232
2.083
28
29
2A
2B
2C
2D
2E
2F
6.250
6.098
5.952
5.814
5.682
5.556
5.435
5.319
3.125
3.049
2.976
2.907
2.841
2.778
2.717
2.660
1.563
1.524
1.488
1.453
1.420
1.389
1.359
1.330
0.781
0.762
0.744
0.727
0.710
0.694
0.679
0.665
10
11
12
13
14
15
16
17
15.625
14.706
13.889
13.158
12.500
11.905
11.364
10.870
7.813
7.353
6.944
6.579
6.250
5.952
5.682
5.435
3.906
3.676
3.472
3.289
3.125
2.976
2.841
2.717
1.953
1.838
1.736
1.645
1.563
1.488
1.420
1.359
30
31
32
33
34
35
36
37
5.208
5.102
5.000
4.902
4.808
4.717
4.630
4.545
2.604
2.551
2.500
2.451
2.404
2.358
2.315
2.273
1.302
1.276
1.250
1.225
1.202
1.179
1.157
1.136
0.651
0.638
0.625
0.613
0.601
0.590
0.579
0.568
18
19
1A
1B
1C
1D
1E
1F
10.417
10.000
9.615
9.259
8.929
8.621
8.333
8.065
5.208
5.000
4.808
4.630
4.464
4.310
4.167
4.032
2.604
2.500
2.404
2.315
2.232
2.155
2.083
2.016
1.302
1.250
1.202
1.157
1.116
1.078
1.042
1.008
38
39
3A
3B
3C
3D
3E
3F
4.464
4.386
4.310
4.237
4.167
4.098
4.032
3.968
2.232
2.193
2.155
2.119
2.083
2.049
2.016
1.984
1.116
1.096
1.078
1.059
1.042
1.025
1.008
0.992
0.558
0.548
0.539
0.530
0.521
0.512
0.504
0.496
Table 15-1 Buzzer Frequency
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